What this means
The IEEE assigned the MA-L block B8C855 to Shanghai GBCOM Communication Technology Co.,Ltd.. Every network interface they manufacture under this block has a MAC address beginning with these digits, followed by a unique per-device identifier. If a device on your network shows a MAC starting B8:C8:55, it is Shanghai GBCOM Communication Technology Co.,Ltd. hardware.
Frequently Asked Questions
Who owns MAC prefix B8C855?
B8C855 is registered to Shanghai GBCOM Communication Technology Co.,Ltd. in the IEEE MA-L registry.
What does the MA-L registry type mean?
An MA-L assignment, the IEEE's original OUI format, gives the vendor the first three octets and 16,777,216 device addresses under them. Shanghai GBCOM Communication Technology Co.,Ltd.'s block covers 16,777,216 addresses.
What devices use B8C855?
Any network device with a MAC address starting B8:C8:55 was manufactured by or for Shanghai GBCOM Communication Technology Co.,Ltd..